Answer:
C=10 degrees
Step-by-step explanation:
1. C=x
x=unknown
We do not know the value of x, we also do not know the value of c.
you can use c, but i feel like x will be less confusing
A=3x
B=x+160
all angles in a triangle add up to 180.
x+3x+x+130=180
5x=50
x=10 degrees
hope this helped